Rail-drilling car.



W. T. KRAUSCH & E. F. WEBER.

RAIL DRILLING CAR.

APPLICATION FILED MAY 5. 1911.

1,248,187. Patented 0st. 16,1917.

2 SHEETS-SHEET la lllll I I f; rnfen, 01 5 %.M fi mw km mam v I .w awakeW. T. KRAUSCH 6: E. F. WEBER.

RAIL DRILLING CAR.

APPLICATION FILED MAY 5, 1917.

1,243,187., Patented 00. 16,1917.

'2 SHEETS-SHEET 2- O lmlllllll lullll O iii 50 and ERNST F. WEBER,citizens of nnrrn STATES PATENT onr on.

WALTER 'rnnononn KnAUscmoF LA GRANGE, masseus F. WEBER, 0F oHIcAqo,ILLINOIS. j j v 'RAiL-DBILLING can.

To all whom it may concern:

' Be it known that we, WALTER T. KRAUsoH States, and residents-of LaGrrange, in the county of Cook and State of Illinois,and of Chicago, inthe county of Cook and Stateof Illinois, respectively, have inventedcertain new I and useful Improvements inv Rail- Drilling Cars, of whichthe following is a description, reference being had :-1-.o theaccompanying drawings which form apart of our specification. j I

Our invention relates to a power-operated rail drilling car adapted to'drill the rails after the same have beenlaid or put .into place and onwhich the car is propelled; the device being especially intended fordrilling holes in the web of the rail for the purpose of fasteningrail-anchors, making joints; etc.

With our improved car, the drilling operations can be performed inmaterially less time than can be done with the manually operated drillsat present employed; the device being capable of performing a greateramount-of work than is possible'to be accomplished by severalrail-drilling gangs.- The invention permits adjustment of the drillcarrying frame or portion to various sized rails or to positions fordrilling indifferent horizontal planes, and also permits the work to beaccomplished with great uniformity and accuracy.

The invention contemplates a self-propelling car adapted to move alongthe rails on which it is to operate;-the motive' power whereby the caris' propelled being also adapted to actuate the drilling mechanism.

'latter' being I lower part of the drilling mechanism or tion ofTheconstruction and advantages of-our invention Wlll be more thedrawings wherein i Figure 1 is a side elevation of our improved carshown on rails,-a portion of the broken away to disclose the drillproper. I

Fig. 2 is a front elevation of a part of one end of the car, namely the(and provided with the drilling mechanism.

3 is a detail sectional view of one end of the drill-spindle, itsmounting'and a porbeing taken on'line 3-3 of Fig. 2, looking in thedirection of the arrows. I v

the United I power .or

fully comprehended from the following detailed description of suitablemanner to the frame so asto extend slightly forward thereof and enablehorizontal oscillation of the .jfra me V The'lower part its actuatingmechanlsm; the section 1 Fig.;4-is a detail view, of afeed-screwgripplngmember, shown in-elevationr I In the particular exemplification0f the invention, it comprises a suitable flat-car floor 10 providedwith proper running gear ,or wheels .11, journaled; in the.u'suaLmanher; one of the journals or axles being provided with asuitable pulley l2, see-Fig.1,

which receives the endless driving. element 13, driven off of a-pulleyltmountedon a driving shaft operatedby. a suitable internal combustionengine org'motor indicated at'l5.

1 As the engine forms nopartof our invention, a specific descrlptionthereof need not -be.entered1nto, beyond the general statement that-V16represents a water-cooler connected y means of a conduit l7 withthewaterjacket of the engine, while--l8 represents a with the oarbureterofthemotor as is usual .with'internal combustion motors 1 I The car isshown provided with ahandlever119 connected with a rock-shaft 20 to Vwhich are. secured links for controlling the brake-shoes 21, 21 whichare shown pivotally supported -at22; the position of the hand masupporting shaft 26. The frame.- 25x1nay v Patented Oct. 16, 19'1'7.Application filed May 5, 1917. Serial-No. 166,703., r

gasolene tank which has suitablejconnection be of any suitableconstructiombeing preferably rectangular in shape as shown in Fig.

1 2; and is supported at an intermediate. point so as to have portionsof the frame disposed above and below the pivotal point and enable thedrill-proper to be brought into horizontal planes beneath the plane ofthe top of the rail 27 when the latter istobe drilled. The journal orshaft 26 is mounted in'suit- 28 secured in any able bearing blocks 28,-

platform or underbeing preferably bent downwardly so as toprovide-thehook-formation shown inFig. 2

55 chain '45 whichpasses about a sprocket '46 to hear o... inte rand toa. outside at the.rail 27, as shown. The member 29 is providedwith"a'screwb'ol't3'0 which is intended to engage with the head of therail, as shown in Fig. 2; the adjusted position ofthe bolt beingmaintained by a set 'nu't 31.

I The frame 25 is also provided with the depending hanger-portions orsleeves 32 and 33, adapted to support the drill mecha nism whichconsists ofa rack-bar 34, bored to receive a drill-spindle 35 and permitthe latter to rotate therein; one end of the spindle being"provideclw-ith a head or-"drill chuck po'rti'on- 35 in which the drill36 is "remov'ablysecured;S'wl1ile at an intermediate anti-frictiontearing intermediate of the bushing at the end of the rack-bar 34 andthe 'd-rl-ll-chucl'rrpo'rtion 35 -M'ove1nent of the rack-bar' 34,lengthwise of the drill--spin-. dle,'is prevented by the nuts 38* whichscrew onto the threaded portion of the drill-spindle against the bushing '37, thus holding the rack-bar intermediate of nuts 38" and the chuck-portion 35 of the spindle 35. 'The drill-spindle '35, at a pointadjacent the nuts I 38, is provided with a sprocket 39, feath- "ered onthespi-ndle 35, as shown in Fig. 3,

- so as to cause the spindle 'to rotate therewith and at the same timepermit'thespindleto travel in a lengthwisedirection; the

*spindle being provided with a "suitable key or slot wayextendinglengthwise thereof for a proper distance.

The hanger-portion 32 'of'the frame 25 is prov'i'dedwi'th a suitablebushing 40 which has the cupped flange portion at 7 its" outer end, asshown in Fi 6 3, to .receive the flanged end 41 of the extended hub 420ithe I sprocket ":39;

The flanged portion of the bushing 40 is adapted to have thea-nnu larmember or ring 43 secured thereto bym'eans of suitable screws or bolts44; the ring 43 being adaptedto engage with the flange -41 and thusprevent movement of the sprocket 39 lengthwise offthe' spindle 3-5.

: Thesprocket 39 is adapted to receive a secured one sleeve-47 mountedon s'haft26.

- 48 which receives chain 49 which also cured on a screw-shaft :51rotatably mounted passes about a lar gesprocket wheel 50 se-'in-suitablebearings provided in the upright portionsof the frame 25, ata. point above the. pivotal point of the frame, as clearly shown inFigs. 1 and 2.

' The sleeve 47' is preventedfr'om moving longitudinally of shaft 26 bythe bearingb'ljock or hanger 28 'aswellas-the frame 25. The sleeve 47extends beyond the frame 25, namely to the left in Fig. 2, and isvjide'ol with a sprocket or pulley 52, which ljeceives a chain or belt53 which latter takes about a suitable pulley on the power or drivingshaft-54 of, the engine or motor. The sprocket wheels 46 and 48 arekeyed to the sleeve 47 so as to rotate therewith, while the sprocketwheel 52 is loosely mounted thereon' and has its hub provided with;clutch engaging surfaces, see Fig. 2.

Feathered on theouter end of the sleeve 47 is a clutch-member 55 adaptedto be operated by the lever 56 and thereby brought into. engagement withthe clutch surfaces on the hub 'of the sprocket 52. With the clutch 5 5thrown into engagement with sprocket 52 power will'be tran'smittedtothe-sleeve 47 and, in turn, to the sprockets '46 and 48.

Lever '56 is fulcrumed at 57 on asuitable standard or bracket 58. p I HU Pivotally secured to. the cross-bar 25 of the frame 25, by means of alink 59, isa

lever "60;, the lower end whereof is madein the formof a sector "61 and.provided with teeth which rnesh with the rack-bar 34.

The leverifiO, adjacent the upper end, is

preferably bifurcated at the point,62 so as to straddle the screw-rod,51and atthe same time permit the lever to be oscillated or swung throughthe are of'acircle and thereby cause the rack-bar 34-, and with itdrills'pindle 35, to move in a horizontal direction.

pro-

In order that the lever 60 maybe automaticallyimoved through onestrokeof its roscillation'and at a consistent and even degree, we ,provide agripper member 63, which is adapted to take about the screw-rod 51, asshown in Fig. 2; the gripperbeing shown in detail in Fig. 4. The member63 preferably consists ofthe two members 63 and 63 pivoted togetherat-64; with an intermediate portion of each member 63 and 631socketedand threaded at the point 63? adapted to mesh With the threads of the'screw rod 51.

As i s apparent from the construction, the gripper member 63 willhaveoperative reportions 63? andfi63 are forced or drawn together and heldin that position, thereby lation with the-screw-rod 51 as soon as thefcausing the gripper member 63 to travel along the screw-rod 51 in thedirection 'or :lead of the threads thereof; it being under- Mounted onthe same sleeve 47 is. a sprocket :lation between the gripper member 63and .the screw-rod 51 will be affected or discontinued as soon asseparation of members 63 and 63 is permitted. In gripping member 63, soas to cause the intimate relation bespindle, of course,

'at a andmaintained by the gage "tion to the perpendicular sprocketstween its threaded socket and the screw-rod 51, the member 63 will bemade to travel lengthwise of screw-rod 51, and at the same time causelever 60 to swing or oscillate through the arc of a circle, toward theleft in Fig. 2. Such movement of lever 60 will force rack-bar 34 in ahorizontal direction and bring the drill 36. into drilling relation withthe rail 27 The link 59 provides a fulcrum for lever 60 and causes thelatter to be firmly forced down into intimate relation with the rack-bar34 as the link 60 swings from right to left in Fig. 2, and thus not onlyinduces positive longitudinal movement of the rack-bar, and also of thedrill-spindle 35 (by reason of the rack-bar engaging with thedrill-chuck portion 35 of the drillspindle through the medium of theantifriction thrust-bearing 38) but maintains the drill in, drillingrelation with the rail.

In operation,the car is run along the rails to the point where the railsare to be drilled for the purpose of fastening rail anchors or makingjoints, etc., when the frame 25 is swung downwardly so as to bring thedrill carried thereby into the proper horizontal plane beneath the topof the rail; the horizontal plane of the drill being determinedmechanism, comprising the gage arm 29'and set-screw or bolt 30; thuscausing the holes tobe drilled at the desired height or point in the webof the rail.- It is apparent that by screwing-bolt 3O downwardly, theframe 25 will be forced" into a position at an inclina- (the frame beingfree to swing on the shaft 26), thus causing the drill 36 to strike therail at a higher point on the web than would be the case where the bolt30 is screwed upwardly so as to permit gage arm 29 to come into moreintimate relation with the top of the rail. The frame25 having been thusadjusted, clutch 55, feathered on sleeve 47, is then operated by lever56 (which straddles or is otherwise freely connected with the clutch) soas to form operative relation between sprocket 52 and sleeve 47 throughthe me- (11711111 of clutch 55. This will cause sleeve 4 to 47 and 48 toalso rotate therewith; sprocket 46, through the medium of chain 45,causing the drill-spindle 35 with the drill 36 to revolve; whilesprocket 48,

through the medium of chain 49, causes screw-rod 51 to be revolved; itbeing understood, of course, that the speed of rotation I of thedrill-spindle, as well as of the screwrod, being determined by therelative sizes of the sprocket-wheels on the sleeve 47, drill-spindle 35and screw-rod 51; the drillbeing intended to rotate greater speed thanscrew rod 51. Screw-rod 51 is, therefore, provided with the largesprocket-wheel 50 so that the speed be rotated, which, in turn, causeshole in the rail has been completed. The

gripping of member 63 will force lever'60 toward the left in Fig. 2 andcause the drillspindle 35, through the medium of the rackbar 34, to movelongitudinally toward the rail. As soon as the drilling operation hasbeen completed, the operator releases gripping member 63 from thescrew-rod 51 and swings lever 60 toward the rightin Fig. 2, which causesthe drill-spindle, through'the medium of the rack-bar, to be withdrawnfrom operative relation with the rail. The drill-spindle will be forcedto the leftin Fig. 2, because of the intimate relation existing betweenthe left hand end of rack-bar 34 and the nuts 38 which are screwed. on

the threaded portion of the drill-spindle 35,

sired to provide drill holes at different points or in differenthorizontal planes in the web of the rail, the lock-nut 31 on thegage-bolt 30 is unscrewed or released, so that bolt 30 may be turned inthe proper direction and cause the frame 25 to be given the inclinationnecessary to bring the drill spindle in the desired horizontal plane.

It. is apparent from the construction shown and described that theoperation of drilling the rails can be very quickly accomplished and thecar moved to various points along the rail where the drilling is to bedone; the clutch 55 being thrown out of clutching engagement withsprocket 52 after the drilling operations have been completed, and whilethe car is moving along the rail; at which time, the pulley, providedwith belt 13, is thrown into operative relation with the power or drivenshaft of the engine so as to transmit power to the axle or journal onwhich the wheels 11 are secured.

We have shown and described what we believe to be the simplestadaptation of our invention, but it is apparent that the invention mayhave expression in somewhat different mechanical form from thatdisclosed in the drawings, without, however, departing from the scope ofthe appended claims.

What we claim is 1. A car of the class described, provided withpower-imparting means and comprising a movable frame, a rack-barslidably mounted in the lower part of saidv frame, a drill-spindlerotatably mounted in said rack-bar, a feed-screw rotatably mounted insaid frame, means intermediate of said feedscrew and said rack-barwhereby the latter to be swung into proximity ed in the lower part ofsaid is caused to travel when said feed-screw is a drill-spindlerotatably and bar mounted on said drill-spindle so as to movelongitudinally therewith and permit rotation of thedrill-spindle, amember fulcrumed on said frame so as to oscillate and be in mesh withsaid rack-bar, means whereby said member is caused to oscillate and therack-bar and drill-spindle moved longitudinally. thereby, and meansintermediate of the power-imparting means, the drill-spindle and thefulcrumed member whereby the drill-spindle and fulcrumed member areactuated at the desired speed.

3. A car of the class described, comprising 'a frame pivotedintermediate of its ends so as to oscillate horizontally and have itslower end swung beneath the car into proximity with the rails, adrill-spindle rotatably mounted in the lower end of said frame andadapted to be moved longitudinally, a feed-screw rotatably mounted inthe upper end of said frame, means intermediate of said feed-screw andsaid drill-spindlewhereby the latter is caused to move longitudinallyinto drilling position when said feedscrew is rotated, and means forimparting power to said drill-spindle and said'feedscrew.

4. A'car of the class described,-provided with a horizontally swingingframe adapted to be swung into proximity with the rails, a drill-spindlerotatably and slidably mounted in the lower end of said frame, a rackbarmounted on said drill-spindle, adapted to control the longitudinalmovement of the spindle, a feed-member rotatably mounted in the upperend of said frame,means intermediate of the feed-member and-the rackbarwhereby the latter is forced longitudinally when said means is broughtinto 0perative relation with said feed-member, means whereby the framewill be held in adjusted relation with the rail to be drilled, andpower-imparting means carried by the car whereby the car may bepropelled and movement imparted to the drill-spindle and to saidfeed-member. 5. A car of the class described, provided with a'verticallydisposed frame pivotally "mounted intermediate of its ends at one endof'the car so as to swing one end ofthe fram'e into proximity with therails, a drill- "spindle rotatably and slidably mounted in thelo-werendof said frame, a feed-member :rotatably mounted inthe upper end of saidtate.

and means mounted onthe frame and adapt- 1 ed to have contact with therail to be drilled, whereby the frame and said drill-spindle arepositioned relative to the rail. 5 I

6. A car of the class described, provided with -motive power, a frameoscillatingly mounted on one end of said car so as to swing verticallyand permit one end to be brought into proximity with the rails, adrill-spindle rotatably mounted in the lower end of said frame andadapted to move longitudi-n ally toward and away from the rail to bedrilled, a feed-screw rotatably'mounted in the upper end of the frame,an oscillating member intermediate of the feedscrew and saiddrill-spindle arranged to have operative relation with the latter andcause thexsame to move longitudinally when said member is oscillated,means intermediate of the feed-screw and said oscillating member adaptedto have operative relation with the feed-screw and thereby cause saidmember to oscillate and force the drill-spindletoward the rail to bedrilled, andmeans whereby power is imparted tousaid drillspindleandfeed-member; v

7 .HA rail drilling car provided with motive power, a verticallyswiiigingiframe mounted onthe car so as to permit a portion of the frameto depend beneath thecar vinto proximity with the rails, a-drill-spindlecrumed on the frame so as to be operable from the car and to oscillatetransversely thereof, means intermediate of the lever and thedrill-spindle whereby oscillations of the lever impart longitudinalmovement to the drillspindle', and controllable means intermediate ofsaid motive power and the drillspindle, whereby the latter may berotated.

8. A car of the class described, provided with motive power, anadjustable frame mounted on the car so as to depend beneath thecar-floor, a gage-member carried by the frame and adapted to contactwith the rail to be drilled whereby positioning ofthe frame relative tothe rail is determined, .a rack-bar slidably mounted in said frame, adrill-spindle rotatably mounted in said bar, a lever'fulcrumed on theframe and having a toothed segment arranged in operative relation withsaid rack-bar. for imparting drill-spindle so as to cause the latter toro- 9. A carvof the class described, comprising a frame adjustablymounted on the car so as to depend beneath the car-floor, means wherebyadjustment of the frame relative to the rail to be drilled is effected,a drillspindle rotatably mounted in the lower end of the frame andarranged to move longitudinally, a rack-bar secured to said drillspindleso as to move longitudinally there with, a lever provided with a toothedsegment arranged in mesh with the rack-bar, a fulcrum link pivotallyconnected to said lever and to said frame, whereby the former is held infirm relation with the rack-bar as said lever is oscillated toward thepivotal point of said link on the frame, and means whereby rotation isimparted to said drill-spindle.

10. A car of the class described, provided with motive power and havingan adjustable frame depending beneath the car, means secured to theframe and adapted to have engagement with the rail to be drilled wherebythe position of the frame relative to the rail is determined, adrill-spindle mounted in said frame so as to rotate and movelongitudinally, a lever fulcrumed on the frame so as to oscillatetransversely of the car, means intermediate of the lever and thedrill-spindle whereby oscillations of the lever impart longitudinalmovement to the drill-spindle, and power-operated means adapted tooscillate said lever at a predetermined degree of speed.

- 11. A car of the class described, provided with motive power andhaving a frame pivotally mounted at one end of the car so as to swinghorizontally and depend beneath the car-floor, a drill-spindle rotatablyand slidably mounted in the lower end of the frame, a rack-bar havingoperative relation with the drill-spindle so as to permit the latter torotate and be moved lengthwise therewith, a feed-screw rotatably mountedin said frame, a fulcrumed lever mounted on the frame and provided witha toothed segment at its lower end in mesh with said rack-bar while theupper end of said lever is formed to permit the feed-screw to extendtherethrough, a removable gripping member threaded so as to cooperatewith the threads of the feed-screw and be made to move lengthwise of thelatter when said member is compressed and thereby cause said fulcrumedlever to oscillate, and confive cents each,

trollable power-imparting mechanism intermediate of the motive-power ofthe car, the drill-spindle and the feed-screw, whereby rotation tothedrill-spindle and feed-screw is imparted.

12. A car of the class described, comprising a frame pivotally mountedatone end of the car so as to swing horizontally, a drill-spindlerotatably mounted in the lower end of said frame, said drill-spindlebeing provided with a drill-chuck at one end and with screw-threads at apoint intermediate of its ends, a rack-bar mounted on the drillspindleintermediate of the drill-chuck and the threaded portion thereof, meansadapted to screw onto said threaded portion so as to maintain therack-bar in position, antifriction bearings intermediate of the rackbarand the drill-chuck adapted to receive the end thrusts, means featheredon the drill-spindle whereby the latter is rotated and permitted to movelongitudinally, and means meshing with the rack-bar whereby longitudinalmovement of the latter with the drill spindle may be induced.

13. A car of the class described, provided with a frame pivoted on oneend of the car so as to swing horizontally and depend beneath thecar-floor into a plane beneath the top of the rail to be drilled, agage-arm secured to the frame and adapted to extend across the rail,said gage-arm being provided with adjustable means whereby theadjustable position of said frame relative to the rail may becontrolled, a drillspindle rotatably and slidably mounted in the lowerpart of said frame, a rack-bar having operative relation with thedrillspindle so as to permit the latter to rotate and be made to movelongitudinally with the rack-bar, a feed-member rotatably mounted insaid frame, an oscillatingly mounted member intermediate of the rackbarand said feed-member, gripper member threaded so as to cooperate withthe threads of the feed-member and cause said oscillatinglyo mountedmember to be actuated thereby.

WALTER THEODORE KRAUSGH. ERNST F. WEBER.

Witnesses:

GEORGE HEIDMAN, F. A. FLORELL.

by addressing the commissioner of Patents.

Washington, D. G.

and a bifurcated

